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7488225 = 3252231447
BaseRepresentation
bin11100100100001011100001
3112002102220200
4130210023201
53404110400
6424255413
7120435363
oct34441341
915072820
107488225
114255018
122611569
131722504
14dccd33
159cdb00
hex7242e1

7488225 has 36 divisors (see below), whose sum is σ = 14005056. Its totient is φ = 3817440.

The previous prime is 7488163. The next prime is 7488227. The reversal of 7488225 is 5228847.

It is a happy number.

It is not a de Polignac number, because 7488225 - 28 = 7487969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7488225.

It is not an unprimeable number, because it can be changed into a prime (7488227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4452 + ... + 5898.

Almost surely, 27488225 is an apocalyptic number.

7488225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7488225 is a deficient number, since it is larger than the sum of its proper divisors (6516831).

7488225 is a wasteful number, since it uses less digits than its factorization.

7488225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486 (or 1478 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 7488225 is about 2736.4621320238. The cubic root of 7488225 is about 195.6408893653.

The spelling of 7488225 in words is "seven million, four hundred eighty-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 23 25 45 69 75 115 207 225 345 575 1035 1447 1725 4341 5175 7235 13023 21705 33281 36175 65115 99843 108525 166405 299529 325575 499215 832025 1497645 2496075 7488225